\bibitem{WebGL01} WebGL Official Website \url{http://www.khronos.org/webgl/}
\bibitem{WebGL02} Corso su WebGL \url{http://www.html5today.it/tutorial/corso-webgl--introduzione}
\bibitem{X3DOM01} X3DOM – A DOM-based HTML5/ X3D Integration Model \url{www.web3d.org/x3d/wiki/images/3/30/X3dom-web3d2009-paper.pdf}
\bibitem{X3DOM02} X3DOM Official Website \url{http://www.x3dom.com}
\bibitem{X3D01} X3D Specification \url{http://www.web3d.org/x3d/specifications/}
\bibitem{X3D02} D. Brutzman \& L. Daly "X3D: extensible 3D Graphics for Web Authors". Morgan Kaufmann publishers, (2007).
\bibitem{Raphael01} Raphael Javascript Library \url{http://raphaeljs.com/}
\bibitem{Khronos01} OpenGL Specification. \url{http://www.opengl.org/documentation/}
\bibitem{Khronos02} OpenGL ES 2.0 Specification \url{http://www.khronos.org/opengles/}
\bibitem{W3C01} W3C Community Group on Declarative 3D for the Web Architecture \url{http://www.w3.org/community/declarative3d/}
\bibitem{HTML501} HTML 5 Specification \url{http://dev.w3.org/html5/spec/Overview.html}
\bibitem{SVG01} SVG \url{http://www.w3.org/Graphics/SVG/}
